D-And F-Block Elements Ques 245

Question: KMnO4 reacts with ferrous sulphate according to the equation MnO4+5Fe2++8H+Mn2++5Fe3++4H2O Here 10ml of 0.1M KMnO4 is equivalent to

[CPMT 1999]

Options:

A) 20ml of 0.1M FeSO4

B) 30ml of 0.1M FeSO4

C) 40ml of 0.1M FeSO4

D) 50ml of 0.1M FeSO4

Show Answer

Answer:

Correct Answer: D

Solution:

In this reaction MnO41,+5Fe2+5,+8H+Mn2++5Fe3++4H2O 5 time quantity of Fe2+ consumed. So 5 time of FeSO4 will be equivalent to 50 ml



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